Plymouth Rock

Producer in Calaveras county in California, United States with commodities Gold, Silver, Lead, Copper
Sections on this page
  1. Identification information
  2. Geographic coordinates
  3. Site location context
  4. Geographic areas
  5. Public Land Survey System information
  6. Commodities
  7. Nearby scientific data
  8. Economic information about the deposit and operations
  9. Links to other databases
  10. Bibliographic references
  11. General comments
  12. Reporter information

Geologic information

Identification information

Deposit ID 10109122
MRDS ID M005577
Record type Site
Current site name Plymouth Rock
Related records 10235120

Geographic coordinates

Geographic coordinates: -120.84573, 38.09547 (WGS84)
Relative position 2 MI. NE OF JENNY LIND ON RIDGE SE OF CALAVERAS RIVER. NE1/4 SW1/4

Site location context

Political divisions (FIPS codes)

Calaveras(county)

California(state)

United States(country)

North America(continent)

Land(continent)

USGS map quadrangles

Jenny Lind(quadrangle 1:24,000 scale)

San Andreas(quadrangle 1:100,000 scale)

Sacramento(quadrangle 1:250,000 scale)

Hydrologic units (watersheds)

Upper Calaveras(hydrologic unit)

San Joaquin(hydrologic accounting unit)

San Joaquin(hydrologic subregion)

California(hydrologic region)

Geographic areas

Country State County
United States California Calaveras

Public Land Survey System information

Meridian Township Range Section Fraction State
Mount Diablo 003N 010E 23 California

Commodities

Commodity Importance
Gold Primary
Silver Primary
Lead Primary
Copper Primary

Nearby scientific data

(1) -120.84573, 38.09547

Economic information

Comments on the geologic information

  • GEOL.DESC: ALTERED DIABASE CUT BY QUARTZ VEINLETS AND MINERALIZED WITH AURIFEROUS SULFIDES, PYRITE, CHALCOPYRITE, GALENA,AND SPHALERITE. INTERMITTENT PRODUCTION BETWEEN 1890 AND 1933. SHIPMENTS MADE IN 1917 AND IN 1933 CONTAINED ABOUT 1 1/2% COMBINED LEAD AND COPPER

Economic information about the deposit and operations

Development status Producer
Commodity type Metallic
Significant No

Comments on the production information

  • 0-100,000 LBS CU. 362' TUNNEL, 135' SHAFT; MILL ON PROPERTY ORE TREATED IN 10-STAMP MILL

Reference information

Bibliographic references

  • Deposit

    CALIF. B. 144, P. 222; V. 32, NO. 3, P. 316

  • Deposit

    CALIF. EC. MINERAL MAP NO. 6

  • Deposit

    REPT. 14, P. 101; V. 53, NOS. 3 & 4, P. 436

General comments

Subject category Comment text
Deposit ADD. REF. NO. 4. EC. MINERAL MAP NO. 7, 1957; COUNTY REPT. NO. 2, P. 174 AND PL. B

Reporter information

Type Date Name Affiliation Comment
Reporter 01-JUN-1972 Gere, W. U.S. Geological Survey

Beyond USGS

Supplemental information added by qvyshift.com. Not part of the original USGS MRDS record.

External references

Authoritative California resources

These are landing pages for further research — the state agencies don't currently expose per-mine deep links.